/* ddt_remote - Stuff needed to get datadescs about remote hosts */
-/* Authors: Olivier Aumage, Martin Quinson */
-/* Copyright (C) 2003, 2004 the GRAS posse. */
+/* Copyright (c) 2003 Olivier Aumage. */
+/* Copyright (c) 2003, 2004 Martin Quinson. */
+/* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
- under the terms of the license (GNU LGPL) which comes with this package. */
+ * under the terms of the license (GNU LGPL) which comes with this package. */
/************************************************************************/
/* C combines the power of assembler with the portability of assembler. */
#include "gras/DataDesc/datadesc_private.h"
-GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(ddt_convert,datadesc,
- "Inter-architecture convertions");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_ddt_convert,gras_ddt,
+ "Inter-architecture convertions");
/***
*** Table of all known architectures:
***
- *** l C<1/1> I<2/2:4/4:4/4:8/4> P<4/4:4/4> D<4/4:8/4>
- *** l C<1/1> I<2/2:4/4:8/8:8/8> P<4/4:4/4> D<4/4:8/8>
- *** B C<1/1> I<2/2:4/4:4/8:8/8> P<4/4:4/4> D<4/4:8/4>
- *** B C<1/1> I<2/2:4/8:8/8:8/8> P<4/4:4/4> D<4/4:8/4>
- *** B C:1/1: I:2/2:4/4:4/4:8/8: P:4/4:4/4: D:4/4:8/4:
- ***
+ l_C:1/1:_I:2/2:4/4:4/4:8/8:_P:4/4:4/4:_D:4/4:8/8:) gras_arch=0; gras_arch_name=little32;;
+ l_C:1/1:_I:2/2:4/4:4/4:8/4:_P:4/4:4/4:_D:4/4:8/4:) gras_arch=1; gras_arch_name=little32_4;;
+
+ l_C:1/1:_I:2/2:4/4:8/8:8/8:_P:8/8:8/8:_D:4/4:8/8:) gras_arch=2; gras_arch_name=little64;;
+
+ B_C:1/1:_I:2/2:4/4:4/4:8/8:_P:4/4:4/4:_D:4/4:8/8:) gras_arch=3; gras_arch_name=big32;;
+ B_C:1/1:_I:2/2:4/4:4/4:8/8:_P:4/4:4/4:_D:4/4:8/4:) gras_arch=4; gras_arch_name=big32_8_4;;
+ B_C:1/1:_I:2/2:4/4:4/4:8/4:_P:4/4:4/4:_D:4/4:8/4:) gras_arch=5; gras_arch_name=big32_4;;
+ B_C:1/1:_I:2/2:4/2:4/2:8/2:_P:4/2:4/2:_D:4/2:8/2:) gras_arch=6; gras_arch_name=big32_2;;
+
+ B_C:1/1:_I:2/2:4/4:8/8:8/8:_P:8/8:8/8:_D:4/4:8/8:) gras_arch=7; gras_arch_name=big64;;
+
***/
const gras_arch_desc_t gras_arches[gras_arch_count] = {
- {"little32", 0, {1,2,4,4,8, 4,4, 4,8}, // 4},
- {1,2,4,4,4, 4,4, 4,4}},
- {"little64", 0, {1,2,4,8,8, 8,8, 4,8}, // 8},
- {1,2,4,8,8, 8,8, 4,8}},
+ {"little32_1", 0, {1,2,4,4,8, 4,4, 4,8}, /* little endian, 1 byte alignement (win32) */
+ {1,1,1,1,1, 1,1, 1,1}},
+
+ {"little32_2", 0, {1,2,4,4,8, 4,4, 4,8}, /* little endian, 2 bytes alignements (win32) */
+ {1,2,2,2,2, 2,2, 2,2}},
+
+ {"little32_4", 0, {1,2,4,4,8, 4,4, 4,8}, /* little endian, 4 bytes alignements (win32 and linux x86) */
+ {1,2,4,4,4, 4,4, 4,4}},
- {"big32", 1, {1,2,4,4,8, 4,4, 4,8}, // 8},
- {1,2,4,4,8, 4,4, 4,8}},
+ {"little32_8", 0, {1,2,4,4,8, 4,4, 4,8}, /* little endian, 8 bytes alignement (win32) */
+ {1,2,4,4,8, 4,4, 4,8}},
- {"big64", 1, {1,2,4,8,8, 8,8, 4,8}, // 8}
- {1,2,4,8,8, 8,8, 4,8}},
+ {"little64", 0, {1,2,4,8,8, 8,8, 4,8}, /* alpha, ia64 */
+ {1,2,4,8,8, 8,8, 4,8}},
- {"aix", 1, {1,2,4,4,8, 4,4, 4,8}, // 8}
- {1,2,4,4,8, 4,4, 4,4}}
-
+ {"big32_8", 1, {1,2,4,4,8, 4,4, 4,8},
+ {1,2,4,4,8, 4,4, 4,8}},
+
+ {"big32_8_4", 1, {1,2,4,4,8, 4,4, 4,8}, /* AIX */
+ {1,2,4,4,8, 4,4, 4,4}},
+
+ {"big32_4", 1, {1,2,4,4,8, 4,4, 4,8}, /* G5 */
+ {1,2,4,4,4, 4,4, 4,4}},
+
+ {"big32_2", 1, {1,2,4,4,8, 4,4, 4,8}, /* ARM */
+ {1,2,2,2,2, 2,2, 2,2}},
+
+ {"big64", 1, {1,2,4,8,8, 8,8, 4,8}, /* sparc */
+ {1,2,4,8,8, 8,8, 4,8}},
+
+ {"big64_8_4", 1, {1,2,4,8,8, 8,8, 4,8}, /* aix with -maix64 */
+ {1,2,4,8,8, 8,8, 4,4}}
};
const char *gras_datadesc_arch_name(int code) {
- if (code < 0 || code >= gras_arch_count)
- return "[unknown arch]";
- return gras_arches[code].name;
+ if (code < 0 || code >= gras_arch_count)
+ return "[unknown arch]";
+ return gras_arches[code].name;
}
+
/**
* Local function doing the grunt work
*/
static void
gras_dd_reverse_bytes(void *to,
- const void *from,
- size_t length);
-
+ const void *from,
+ size_t length);
/**
* gras_dd_convert_elm:
* The data to be converted is stored in @src, and is to be stored in @dst.
* Both pointers may be the same location if no resizing is needed.
*/
-gras_error_t
-gras_dd_convert_elm(gras_datadesc_type_t *type, int count,
- int r_arch,
- void *src, void *dst) {
- gras_dd_cat_scalar_t scal = type->category.scalar_data;
- int cpt;
- const void *r_data;
- void *l_data;
- unsigned long r_size, l_size;
- /* Hexadecimal displayer
+void
+gras_dd_convert_elm(gras_datadesc_type_t type, int count,
+ int r_arch,
+ void *src, void *dst) {
+ gras_dd_cat_scalar_t scal = type->category.scalar_data;
+ int cpt;
+ const void *r_data;
+ void *l_data;
+ unsigned long r_size, l_size;
+ /* Hexadecimal displayer
union {
char c[sizeof(int)];
int i;
} tester;
- */
-
- gras_assert(type->category_code == e_gras_datadesc_type_cat_scalar);
- gras_assert(r_arch != GRAS_THISARCH);
-
- r_size = type->size[r_arch];
- l_size = type->size[GRAS_THISARCH];
- DEBUG4("r_size=%lu l_size=%lu, src=%p dst=%p",
- r_size,l_size,src,dst);
-
- DEBUG2("remote=%c local=%c", gras_arches[r_arch].endian?'B':'l',
- gras_arches[GRAS_THISARCH].endian?'B':'l');
-
- if(r_size != l_size) {
- for(cpt = 0, r_data = src, l_data = dst;
- cpt < count;
- cpt++,
- r_data = (char *)r_data + r_size,
- l_data = (char *)l_data + l_size) {
-
- /*
+ */
+
+ xbt_assert(type->category_code == e_gras_datadesc_type_cat_scalar);
+ xbt_assert(r_arch != GRAS_THISARCH);
+
+ r_size = type->size[r_arch];
+ l_size = type->size[GRAS_THISARCH];
+ DEBUG4("r_size=%lu l_size=%lu, src=%p dst=%p",
+ r_size,l_size,src,dst);
+
+ DEBUG2("remote=%c local=%c", gras_arches[r_arch].endian?'B':'l',
+ gras_arches[GRAS_THISARCH].endian?'B':'l');
+
+ if(r_size != l_size) {
+ for(cpt = 0, r_data = src, l_data = dst;
+ cpt < count;
+ cpt++,
+ r_data = (char *)r_data + r_size,
+ l_data = (char *)l_data + l_size) {
+
+ /*
fprintf(stderr,"r_data=");
for (cpt=0; cpt<r_size; cpt++) {
tester.i=0;
fprintf(stderr,"\\%02x", tester.i);
}
fprintf(stderr,"\n");
- */
-
- /* Resize that damn integer, pal */
-
- unsigned char *l_sign, *r_sign;
- int padding;
- int sizeChange = l_size - r_size;
- int lowOrderFirst = !gras_arches[r_arch].endian ||
- gras_arches[r_arch].endian == gras_arches[GRAS_THISARCH].endian;
-
- DEBUG5("Resize integer %d from %lu @%p to %lu @%p",
- cpt, r_size,r_data, l_size,l_data);
- gras_assert0(r_data != l_data, "Impossible to resize in place");
-
- if(sizeChange < 0) {
- DEBUG3("Truncate %d bytes (%s,%s)", -sizeChange,
- lowOrderFirst?"lowOrderFirst":"bigOrderFirst",
- scal.encoding == e_gras_dd_scalar_encoding_sint?"signed":"unsigned");
- /* Truncate high-order bytes. */
- memcpy(l_data,
- gras_arches[r_arch].endian ? ((char*)r_data-sizeChange)
- : r_data,
- l_size);
-
- if(scal.encoding == e_gras_dd_scalar_encoding_sint) {
- DEBUG0("This is signed");
- /* Make sure the high order bit of r_data and l_data are the same */
- l_sign = gras_arches[GRAS_THISARCH].endian
- ? ((unsigned char*)l_data + l_size - 1)
- : (unsigned char*)l_data;
- r_sign = gras_arches[r_arch].endian
- ? ((unsigned char*)r_data + r_size - 1)
- : (unsigned char*)r_data;
- DEBUG2("This is signed (r_sign=%c l_sign=%c", *r_sign,*l_sign);
-
- if ((*r_sign > 127) != (*l_sign > 127)) {
- if(*r_sign > 127)
- *l_sign += 128;
- else
- *l_sign -= 128;
- }
- }
- } else {
- DEBUG1("Extend %d bytes", sizeChange);
- if (scal.encoding != e_gras_dd_scalar_encoding_sint) {
- DEBUG0("This is signed");
- padding = 0; /* pad unsigned with 0 */
- } else {
- /* extend sign */
- r_sign = gras_arches[r_arch].endian ? ((unsigned char*)r_data + r_size - 1)
- : (unsigned char*)r_data;
- padding = (*r_sign > 127) ? 0xff : 0;
- }
-
- memset(l_data, padding, l_size);
- memcpy(!gras_arches[r_arch].endian ? l_data : ((char *)l_data + sizeChange),
- r_data, r_size);
-
- /*
+ */
+
+ /* Resize that damn integer, pal */
+
+ unsigned char *l_sign, *r_sign;
+ int padding;
+ int sizeChange = l_size - r_size;
+ int lowOrderFirst = !gras_arches[r_arch].endian ||
+ gras_arches[r_arch].endian == gras_arches[GRAS_THISARCH].endian;
+
+ DEBUG5("Resize integer %d from %lu @%p to %lu @%p",
+ cpt, r_size,r_data, l_size,l_data);
+ xbt_assert0(r_data != l_data, "Impossible to resize in place");
+
+ if(sizeChange < 0) {
+ DEBUG3("Truncate %d bytes (%s,%s)", -sizeChange,
+ lowOrderFirst?"lowOrderFirst":"bigOrderFirst",
+ scal.encoding == e_gras_dd_scalar_encoding_sint?"signed":"unsigned");
+ /* Truncate high-order bytes. */
+ memcpy(l_data,
+ gras_arches[r_arch].endian ? ((char*)r_data-sizeChange)
+ : r_data,
+ l_size);
+
+ if(scal.encoding == e_gras_dd_scalar_encoding_sint) {
+ DEBUG0("This is signed");
+ /* Make sure the high order bit of r_data and l_data are the same */
+ l_sign = gras_arches[GRAS_THISARCH].endian
+ ? ((unsigned char*)l_data + l_size - 1)
+ : (unsigned char*)l_data;
+ r_sign = gras_arches[r_arch].endian
+ ? ((unsigned char*)r_data + r_size - 1)
+ : (unsigned char*)r_data;
+ DEBUG2("This is signed (r_sign=%c l_sign=%c", *r_sign,*l_sign);
+
+ if ((*r_sign > 127) != (*l_sign > 127)) {
+ if(*r_sign > 127)
+ *l_sign += 128;
+ else
+ *l_sign -= 128;
+ }
+ }
+ } else {
+ DEBUG1("Extend %d bytes", sizeChange);
+ if (scal.encoding != e_gras_dd_scalar_encoding_sint) {
+ DEBUG0("This is signed");
+ padding = 0; /* pad unsigned with 0 */
+ } else {
+ /* extend sign */
+ r_sign = gras_arches[r_arch].endian ? ((unsigned char*)r_data + r_size - 1)
+ : (unsigned char*)r_data;
+ padding = (*r_sign > 127) ? 0xff : 0;
+ }
+
+ memset(l_data, padding, l_size);
+ memcpy(!gras_arches[r_arch].endian ? l_data : ((char *)l_data + sizeChange),
+ r_data, r_size);
+
+ /*
fprintf(stderr,"r_data=");
for (cpt=0; cpt<r_size; cpt++) {
tester.i=0;
tester.c[0]= ((char*)l_data)[cpt];
fprintf(stderr,"\\%02x", tester.i);
} fprintf(stderr,"\n");
- */
- }
- }
- }
+ */
+ }
+ }
+ }
- /* flip bytes if needed */
- if(gras_arches[r_arch].endian != gras_arches[GRAS_THISARCH].endian &&
- (l_size * count) > 1) {
+ /* flip bytes if needed */
+ if(gras_arches[r_arch].endian != gras_arches[GRAS_THISARCH].endian &&
+ (l_size * count) > 1) {
- for(cpt = 0, r_data=dst, l_data=dst;
- cpt < count;
- cpt++,
- r_data = (char *)r_data + l_size, /* resizing already done */
- l_data = (char *)l_data + l_size) {
+ for(cpt = 0, r_data=dst, l_data=dst;
+ cpt < count;
+ cpt++,
+ r_data = (char *)r_data + l_size, /* resizing already done */
+ l_data = (char *)l_data + l_size) {
- DEBUG1("Flip elm %d",cpt);
- gras_dd_reverse_bytes(l_data, r_data, l_size);
- }
- }
+ DEBUG1("Flip elm %d",cpt);
+ gras_dd_reverse_bytes(l_data, r_data, l_size);
+ }
+ }
- return no_error;
}
static void
gras_dd_reverse_bytes(void *to,
- const void *from,
- size_t length) {
+ const void *from,
+ size_t length) {
- char charBegin;
- const char *fromBegin;
- const char *fromEnd;
- char *toBegin;
- char *toEnd;
+ char charBegin;
+ const char *fromBegin;
+ const char *fromEnd;
+ char *toBegin;
+ char *toEnd;
- for(fromBegin = (const char *)from,
- fromEnd = fromBegin + length - 1,
- toBegin = (char *)to,
- toEnd = toBegin + length - 1;
+ for(fromBegin = (const char *)from,
+ fromEnd = fromBegin + length - 1,
+ toBegin = (char *)to,
+ toEnd = toBegin + length - 1;
- fromBegin <= fromEnd;
+ fromBegin <= fromEnd;
- fromBegin++, fromEnd--,
+ fromBegin++, fromEnd--,
toBegin++, toEnd--) {
- charBegin = *fromBegin;
- *toBegin = *fromEnd;
- *toEnd = charBegin;
- }
+ charBegin = *fromBegin;
+ *toBegin = *fromEnd;
+ *toEnd = charBegin;
+ }
}
*/
int
gras_arch_selfid(void) {
- return GRAS_THISARCH;
+ return GRAS_THISARCH;
}
